Operating Segments (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting Information [Line Items]

Segment Reporting Disclosure Other Information

A description of the operations included in the Companies’ primary operating segments is as follows:

Primary Operating Segment	Description of Operations	Dominion Energy	Virginia Power	Dominion Energy Gas
Power Delivery	Regulated electric distribution	X	X
	Regulated electric transmission	X	X
Power Generation	Regulated electric generation fleet	X	X
	Merchant electric generation fleet	X
Gas Infrastructure	Gas transmission and storage	X		X
	Gas distribution and storage	X		X
	Gas gathering and processing	X		X
	LNG terminalling and storage	X
	Nonregulated retail energy marketing	X
Southeast Energy	Regulated electric distribution	X
	Regulated electric transmission	X
	Regulated electric generation fleet	X
	Gas distribution and storage	X
	Nonregulated retail energy marketing	X

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Dominion Energy’s operations:

	Power Delivery		Power Generation		Gas Infrastructure		Southeast Energy		Corporate and Other			Adjustments/ Eliminations			Consolidated Total
(millions)
Three Months Ended March 31, 2019
Total revenue from external customers	$	598	$	1,745	$	1,373	$	1,182	$	(1,040	)	$	—		$	3,858
Intersegment revenue		6		4		26		—		184			(220	)		—
Total operating revenue		604		1,749		1,399		1,182		(856	)		(220	)		3,858
Net income (loss) attributable to Dominion    Energy		155		308		359		132		(1,634	)		—			(680	)
Three Months Ended March 31, 2018
Total revenue from external customers	$	563	$	1,860	$	1,222			$	(207	)	$	28		$	3,466
Intersegment revenue		6		2		6				175			(189	)		—
Total operating revenue		569		1,862		1,228				(32	)		(161	)		3,466
Net income (loss) attributable to Dominion    Energy		156		348		327				(328	)		—			503

Virginia Electric and Power Company

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Virginia Power’s operations:

	Power Delivery		Power Generation		Corporate and Other			Consolidated Total
(millions)
Three Months Ended March 31, 2019
Operating revenue	$	598	$	1,396	$	(29	)	$	1,965
Net income (loss)		154		204		(338	)		20
Three Months Ended March 31, 2018
Operating revenue	$	563	$	1,400	$	(215	)	$	1,748
Net income (loss)		154		222		(192	)		184

Dominion Energy Gas Holdings, LLC

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Dominion Energy Gas’ operations:

	Gas Infrastructure		Corporateand Other			Consolidated Total
(millions)
Three Months Ended March 31, 2019
Operating revenue	$	511	$	—		$	511
Net income (loss)		119		(3	)		116
Three Months Ended March 31, 2018
Operating revenue	$	526	$	—		$	526
Net income (loss)		167		(1	)		166